Finding the Fourth Proportional to 893,186.40, 1,232,598.69 and 485,289.84
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Solution
The fourth proportional to 893,186.40, 1,232,598.69 and 485,289.84 is: 669,700.77
Step by Step Solution
- Step 1: Write the proportion equation
893,186.40 : 1,232,598.69 = 485,289.84 : x - Step 2: Convert to fraction form
893,186.40/1,232,598.69 = 485,289.84/x - Step 3: Cross multiply
893,186.40x = 1,232,598.69 × 485,289.84 - Step 4: Simplify right side
893,186.40x = 598,167,621,054.31 - Step 5: Solve for x
x = 598,167,621,054.31/893,186.40 - Step 6: Final answer
x = 669,700.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.